PREPARATION OF PHENOL OR PHENOL DERIVATIVES

In a process for converting an aromatic compound such as benzene into its hydroxylated derivative by reaction with an oxidant such as nitrous oxide, generation of carbon monoxide during catalyst regeneration is reduced if the catalyst is a zeolite, preferably having the MFI structural type, more pre...

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Hauptverfasser:	FELTHOUSE, TIMOTHY, R, EBNER, JERRY, R, FENTRESS, DENTON, C
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	In a process for converting an aromatic compound such as benzene into its hydroxylated derivative by reaction with an oxidant such as nitrous oxide, generation of carbon monoxide during catalyst regeneration is reduced if the catalyst is a zeolite, preferably having the MFI structural type, more preferably a ZSM-5 zeolite, that contains ruthenium, rhodium, platinum, palladium or iridium. Dans un procédé de conversion d'un composé aromatique tel que du benzène en son dérivé hydroxylé par réaction avec un agent d'oxydation tel que l'oxyde azoté, on réduit la production de monoxyde de carbone pendant la régénération du catalyseur si le catalyseur est une zéolite, présentant de préférence le type structurel MFI, et mieux encore une zéolite ZSM-5, contenant du ruthénium, du rhodium, du platine, du palladium ou de l'iridium.